Royal Society of Chemistry

Diboron as a reductant for nickel-catalyzed reductive coupling: rational design and mechanistic studies

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1850-1853
DOI: 10.1039/C4CC08703H, CommunicationGuoying Zhang, Yinjun Xie, Zhengkun Wang, Yang Liu, Hanmin Huang
Diboron (B2pin2) has been identified as an efficient and environmentally benign reducing reagent for reductive coupling reactions for the first time, which enables the nickel-catalyzed reductive tetramerization of alkynes to be performed with high efficiency in the presence of formal substoichiometric amounts of (0.3 equiv.) the reductant.
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The facile preparation of a cobalt disulfide-reduced graphene oxide composite film as an efficient counter electrode for dye-sensitized solar cells

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1846-1849
DOI: 10.1039/C4CC08288E, CommunicationLijuan Sun, Yu Bai, Naiqing Zhang, Kening Sun
A CoS2-RGO composite film counter electrode was prepared by combining the layer by layer assembly method and thermal treatment process.
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Concise synthesis of cyclic carbonyl compounds from haloarenes using phenyl formate as the carbonyl source

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1854-1857
DOI: 10.1039/C4CC09413A, CommunicationHideyuki Konishi, Hiroki Nagase, Kei Manabe
Carbonylative cyclization of haloarenes bearing nucleophilic moieties under Pd catalysis has been developed as a general, user-friendly method for access to various cyclic carbonyl compounds.
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Detection of oligomers and fibrils of [small alpha]-synuclein by AIEgen with strong fluorescence

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1866-1869
DOI: 10.1039/C4CC07911F, CommunicationChris Wai Tung Leung, Feng Guo, Yuning Hong, Engui Zhao, Ryan Tsz Kin Kwok, Nelson Lik Ching Leung, Sijie Chen, Nishant N. Vaikath, Omar Mukhtar El-Agnaf, Youhong Tang, Wei-Ping Gai, Ben Zhong Tang
Fluorescent probe, TPE-TPP, can differentiate monomeric, oligomeric and fibrillar [small alpha]-synuclein which was previously difficult to achieve.
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Graphene mediated self-assembly of fullerene nanorods

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1858-1861
DOI: 10.1039/C4CC09362C, CommunicationTony J. Gnanaprakasa, Deepak Sridhar, Warren J. Beck, Keith Runge, Barrett G. Potter, Thomas J. Zega, Pierre A. Deymier, Srini Raghavan, Krishna Muralidharan
A simple procedure for solution-based self-assembly of C60 fullerene nanorods on graphene substrates is presented.
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Switching adhesion and friction by light using photosensitive guest-host interactions

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1830-1833
DOI: 10.1039/C4CC09204J, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Johanna Blass, Bianca L. Bozna, Marcel Albrecht, Jennifer A. Krings, Bart Jan Ravoo, Gerhard Wenz, Roland Bennewitz
Friction and adhesion between two [small beta]-cyclodextrin functionalized surfaces can be switched reversibly by external light stimuli. The interaction is mediated by complexation with ditopic azobenzene guest molecules.
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Stable dispersions of azide functionalized ferromagnetic metal nanoparticles

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1826-1829
DOI: 10.1039/C4CC06126H, CommunicationC. J. Hofer, V. Zlateski, P. R. Stoessel, D. Paunescu, E. M. Schneider, R. N. Grass, M. Zeltner, W. J. Stark
Stable dispersions of azide functionalized ferromagnetic metal nanoparticles were synthesized by covalent attachment of a block-copolymer to the nanoparticles surface via SI-ATRP and subsequent post-modification.
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Cu-Catalyzed selective C3-formylation of imidazo[1,2-a]pyridine C-H bonds with DMSO using molecular oxygen

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1823-1825
DOI: 10.1039/C4CC09134E, CommunicationHua Cao, Sai Lei, Naiying Li, Longbin Chen, Jingyun Liu, Huiyin Cai, Shuxian Qiu, Jingwen Tan
Using the widely available DMSO as the formylation reagent under oxidative conditions, an efficient Cu-catalyzed C3-formylation reaction of imidazo [1,2-a]pyridine C-H bonds to directly generate structurally sophisticated 3-formyl imidazo[1,2-a]pyridine derivatives has been developed.
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Controlled and sustained release of pharmaceuticals via single step solvent-free encapsulation

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1838-1841
DOI: 10.1039/C4CC08151J, CommunicationA. Cavallaro, K. Vasilev
Herein, we report a novel and solvent-free technique for the encapsulation of pharmaceuticals that allows achieving controllable release rates.
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Topological ring-currents and bond-currents in the altan-[r,s]-coronenes

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1819-1822
DOI: 10.1039/C4CC07322C, CommunicationT. K. Dickens, R. B. Mallion
[small pi]-Electron ring-currents for the altans of the four regular [r,s]-coronenes are calculated by the topological HLPM approach.
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Bulk graphdiyne powder applied for highly efficient lithium storage

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1834-1837
DOI: 10.1039/C4CC08706B, CommunicationShengliang Zhang, Huibiao Liu, Changshui Huang, Guanglei Cui, Yuliang Li
Bulk graphdiyne powder with porous structure was synthesized and applied for highly efficient lithium storage, exhibiting excellent electrochemical performance.
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A sensitive detection of T4 polynucleotide kinase activity based on [small beta]-cyclodextrin polymer enhanced fluorescence combined with an exonuclease reaction

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1815-1818
DOI: 10.1039/C4CC08991J, CommunicationChunxia Song, Xiaohai Yang, Kemin Wang, Qing Wang, Jianbo Liu, Jin Huang, Leiliang He, Pei Liu, Zhihe Qing, Wei Liu
A strategy for performing a polynucleotide kinase activity assay has been developed based on [small beta]-cyclodextrin polymer enhanced fluorescence combined with an exonuclease reaction.
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Self-organization of star-shaped columnar liquid crystals with a coaxial nanophase segregation revealed by a combined experimental and simulation approach

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1811-1814
DOI: 10.1039/C4CC08602C, CommunicationEduardo Beltran, Matteo Garzoni, Beatriz Feringan, Alberto Vancheri, Joaquin Barbera, Jose Luis Serrano, Giovanni M. Pavan, Raquel Gimenez, Teresa Sierra
Coaxial stacking of two different functional units revealed by combining X-ray and MD simulation.
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Monofunctional polymer nanoparticles prepared through intramolecularly cross-linking the polymer chains sparsely grafted on the surface of sacrificial silica spheres

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1842-1845
DOI: 10.1039/C4CC07885C, CommunicationM. X. Xie, L. Jiang, Z. P. Xu, D. Y. Chen
Polymeric monofunctional nanoparticles with exactly one functional group on the surface of each nanoparticle are prepared.
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Photoswitching of triplet-triplet annihilation upconversion showing large emission shifts using a photochromic fluorescent dithienylethene-Bodipy triad as a triplet acceptor/emitter

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1803-1806
DOI: 10.1039/C4CC09202C, CommunicationKejing Xu, Jianzhang Zhao, Xiaoneng Cui, Jie Ma
A dithienylethene-Bodipy triad was used as a photoswitchable triplet acceptor/emitter for photoswitching of triplet-triplet annihilation upconversion with large emission wavelength changes.
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Photo-induced sequence defined macromolecules via hetero bifunctional synthons

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1799-1802
DOI: 10.1039/C4CC08756A, CommunicationNicolas Zydziak, Florian Feist, Birgit Huber, Jan O. Mueller, Christopher Barner-Kowollik
We report the first photochemical protocol for the generation of sequence defined macromolecules employing two hetero bifunctional photoreactive synthons, exploiting the orthogonal nature of photochemical - via the use of caged dienes - and thermally driven ligation protocols.
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Supramolecular self-assembled nanoparticles for chemo-photodynamic dual therapy against cisplatin resistant cancer cells

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1807-1810
DOI: 10.1039/C4CC08583C, CommunicationWei Zhang, Yi Li, Jing-Hua Sun, Cai-Ping Tan, Liang-Nian Ji, Zong-Wan Mao
Supramolecular self-assembled nanoparticles were constructed to overcome cisplatin resistance using a platinum(IV) prodrug and porphyrin as the host and guest molecules, respectively.
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Aromatic sulfonate anion-induced pseudorotaxanes: environmentally benign synthesis, selectivity, and structural characterization

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1795-1798
DOI: 10.1039/C4CC08284B, CommunicationHan-Yuan Gong, Feng Tang, Brett M. Rambo, Rui Cao, Jun-Feng Xiang, Jonathan L. Sessler
Aromatic sulfonates allow the effective construction of anion-containing pseudorotaxanes from a tetracationic macrocycle known as the "Texas box" in organic media and under organic-free aqueous conditions.
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Using dispersion-corrected density functional theory to understand supramolecular binding thermodynamics

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1764-1774
DOI: 10.1039/C4CC06722C, Feature ArticleJens Antony, Rebecca Sure, Stefan Grimme
A recently published theoretical approach employing a nondynamic structure model using dispersion-corrected density functional theory (DFT-D3) to calculate equilibrium free energies of association (Chem. - Eur. J., 2012, 18, 9955-9964) is illustrated by its application to eight supramolecular complexes.
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Biomimetic transparent and superhydrophobic coatings: from nature and beyond nature

Chem. Commun. - 20 January, 2015 - 13:17

Chem. Commun., 2015, 51,1775-1794
DOI: 10.1039/C4CC06868H, Feature ArticleShen Yu, Zhiguang Guo, Weimin Liu
This review focuses on various promising materials used in fabricating superhydrophobic and transparent surfaces in recent decades.
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